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The United Nations Intergovernmental Panel on Climate Change (IPCC), the leading international organization for assembling and disseminating information about climate change, apparently has a language problem. Authors of a recent study found that lay people around the world frequently misinterpret...

Over the past two decades Lyme disease has emerged as the most common vector-borne disease in the United States. It is currently endemic in ~12 states, from Virginia in the South to Maine in the North, and Minnesota and Wisconsin in the West. The majority of cases are believed to be transmitted by...

Recent precipitation declines over the poleward and western margins of subtropical dry zones from North America to Australia are consistent with a reorganization of atmospheric dynamics attributable to global warming. But are these droughts attributable to anthropogenic forcings like increased GHG...

Figure 1: The schematic shows change in the drivers of ecosystem responses (blue) that are probable to arise from the use of sulphate aerosols, compared with not using sulphate aerosols, given current trends of increasing greenhouse gas concentrations, and the probable ecosystem responses (green...

As the climate warms, all species will either need to find new habitats with similar temperatures to those they currently occupy or evolve new thermal tolerances. Recent research by Araujo and colleagues suggests that some species may be able to adapt to new, higher temperatures better than others...

Worldwide, about 800 million people lack access to an improved water source. In its most basic form, an improved water supply is a well or protected spring that protects water from outside contamination. Lack of access to clean water helps explain why15% of all deaths of children under 5 worldwide...